package com.wanxi.test;

public class CountOperate {
    public static void main(String[] args) {
        int a = 10;//将10赋值给整型a
        int b = 20;
        int c = a + b;
        System.out.println(c);
        System.out.println(a % b);
        System.out.println(5 / 2);
        System.out.println(5.0 % 2);
        byte aa = 1;
        short bb = 2;
        System.out.println(aa / bb);

//        + 是运算符
//       由运算符连接的变量或者常量 叫做表达式
    }
}
